<http://schema.org/description>
"British researchers say sea levels rose about 3 feet per century at the end of the last Ice Age but rose by as much as 8 feet per century at times."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2010/12/01/New-estimate-of-ancient-sea-level-rise/UPI-67651291254917/?rel=65001291304205>